| Utility model patent |
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| A kind of anti corrosion substation framework | A kind of coating dusting machine with grading powder | An efficient mixing device for coatings |
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| A kind of coating mixing equipment | A coating spraying equipment | A new high speed disperser |
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| A new type of horizontal sand mill | A salt spray testing machine | A rust removal device for steel pipe antifouling coating |
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| A stirred tank for chemical raw materials with comminution of solid materials | A chemical material reaction tank with high stirring power | A mobile stirring and drying device for semi dry chemical materials |
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| A three roller grinder |
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